1. While using the concave mirror as a shaving mirror the object have to be placed __________2. _________ mirror is a convergent mirror.3. __________ is a divergent mirror.4. When an object is at infinity in front of concave mirror as well as convex mirror, the imagewill be formed at ___________5. Always the focus is negative for _________ mirror.6. As the convex mirrors produce the erect and diminished image, they are used as a _______mirror.7. Always the letter __________ is used to denote the distance between the image and the mirror.8. ___________ letter is used to denote the distance between the object and the mirror.9. When the image is formed at the rear side of the concave mirror, the sign convention of the image will be __________10. If the magnification value is given as -1, then the image is __________a) Erect and magnified by 1 time b) Inverted and magnified by 1 timec) Erect and diminished by 1 time d) Inverted & diminished by 1 time